3072738 has 16 divisors (see below), whose sum is σ = 6232896. Its totient is φ = 1009680.

The previous prime is 3072709. The next prime is 3072749. The reversal of 3072738 is 8372703.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3181 + ... + 4032.

It is an arithmetic number, because the mean of its divisors is an integer number (389556).

Almost surely, 2^3072738 is an apocalyptic number.

3072738 is an abundant number, since it is smaller than the sum of its proper divisors (3160158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3072738 is a wasteful number, since it uses less digits than its factorization.

3072738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7289.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 3072738 is about 1752.9227022319. The cubic root of 3072738 is about 145.3812874233.

The spelling of 3072738 in words is "three million, seventy-two thousand, seven hundred thirty-eight".